19868144

素因数分解:

$2^4\times {\mathrm{953}}^1\times {\mathrm{1303}}^1$

素因数の和:2264

約数の個数: 20

約数和(自身を含む): 38564496

約数和(自身を除く): 18696352

約数列:

[1, 2, 4, 8, 16, 953, 1303, 1906, 2606, 3812, 5212, 7624, 10424, 15248, 20848, 1241759, 2483518, 4967036, 9934072, 19868144]

約数ペア:

[(1, 19868144), (2, 9934072), (4, 4967036), (8, 2483518), (16, 1241759), (953, 20848), (1303, 15248), (1906, 10424), (2606, 7624), (3812, 5212)]